{ stdenv, lib, haskellPackages, haskell, removeReferencesTo, installShellFiles }: let # Since pandoc 3.0 the pandoc binary resides in the pandoc-cli package. static = haskell.lib.compose.justStaticExecutables haskellPackages.pandoc-cli; in (haskell.lib.compose.overrideCabal (drv: { # pandoc-cli's pandoc executable report the libraries version via --version, match that, inherit (static.scope.pandoc) version; # but prevent haskellPackages.mkDerivation from recomputing the src tarball based on that. inherit (static) src; # Make it possible to recover the cli version if necessary. passthru = drv.passthru or {} // { cliVersion = static.version; }; configureFlags = drv.configureFlags or [] ++ ["-fembed_data_files"]; buildDepends = drv.buildDepends or [] ++ [haskellPackages.file-embed]; buildTools = (drv.buildTools or []) ++ [ removeReferencesTo installShellFiles ]; # Normally, the static linked executable shouldn't refer to any library or the compiler. # This is not always the case when the dependency has Paths_* module generated by Cabal, # where bindir, datadir, and libdir contain the path to the library, and thus make the # executable indirectly refer to GHC. However, most Haskell programs only use Paths_*.version for # getting the version at runtime, so it's safe to remove the references to them. # This is true so far for pandoc-types and warp. # For details see: https://github.com/NixOS/nixpkgs/issues/34376 postInstall = drv.postInstall or "" + '' remove-references-to \ -t ${haskellPackages.pandoc-types} \ $out/bin/pandoc remove-references-to \ -t ${haskellPackages.warp} \ $out/bin/pandoc remove-references-to \ -t ${haskellPackages.pandoc_3_1_11} \ $out/bin/pandoc '' + lib.optionalString (stdenv.buildPlatform == stdenv.hostPlatform) '' mkdir -p $out/share/bash-completion/completions $out/bin/pandoc --bash-completion > $out/share/bash-completion/completions/pandoc '' + '' installManPage man/* ''; }) static).overrideAttrs (drv: { # These libraries are still referenced, because they generate # a `Paths_*` module for figuring out their version. # The `Paths_*` module is generated by Cabal, and contains the # version, but also paths to e.g. the data directories, which # lead to a transitive runtime dependency on the whole GHC distribution. # This should ideally be fixed in haskellPackages (or even Cabal), # but a minimal pandoc is important enough to patch it manually. disallowedReferences = [ haskellPackages.pandoc-types haskellPackages.warp haskellPackages.pandoc_3_1_11 ]; })